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Oracle In-Memory Database

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2014-09 – Oracle In-Memory Database

With Oracle Database 12.1.0.2, Oracle has released its In-Memory Database functionality. In short, Oracle In-Memory database provides transparent column-format memory access over an existing Oracle database. The normal row-format memory access is preserved for fast OLTP transactions; however, with new system parameters, that same data can be accessed from memory in column-format, drastically improving OLAP performance. Because it is transparent, there is no need to change applications to leverage this new functionality, which had previously only been exposed in engineered systems and ZFS as storage-level optimizations.

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